118428833 has 4 divisors (see below), whose sum is σ = 118960128. Its totient is φ = 117897540.

The previous prime is 118428811. The next prime is 118428841. The reversal of 118428833 is 338824811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118428833 - 2⁶ = 118428769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118428803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265313 + ... + 265758.

It is an arithmetic number, because the mean of its divisors is an integer number (29740032).

Almost surely, 2^118428833 is an apocalyptic number.

It is an amenable number.

118428833 is a deficient number, since it is larger than the sum of its proper divisors (531295).

118428833 is an equidigital number, since it uses as much as digits as its factorization.

118428833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531294.

The product of its digits is 36864, while the sum is 38.

The square root of 118428833 is about 10882.5012290374. The cubic root of 118428833 is about 491.0802669494.

The spelling of 118428833 in words is "one hundred eighteen million, four hundred twenty-eight thousand, eight hundred thirty-three".